SOURCE = omk-manual
VERSION:=$(shell git describe|sed -e 's/^v//')

.PHONY: FORCE

all: $(SOURCE).pdf $(SOURCE).txt $(SOURCE).html

.version: FORCE
	echo $(VERSION) | cmp -s $@ - || echo $(VERSION) > $@

%.texi: %.texinfo .version
	sed -e 's/\$$Id\$$/$(VERSION)/g' < $< > $@

PNG_FIGS = $(wildcard *.png)
PDF_FIGS = $(patsubst %.png,%.pdf,$(PNG_FIGS))

%.pdf: %.png
	convert $< -density 150 $@

%.pdf: %.texi $(PDF_FIGS)
	texi2dvi --pdf $<
	texi2dvi --pdf $<

%.txt: %.texi
	makeinfo --no-headers --force -o $@ $<

%.html: %.texi
	makeinfo --html --no-split -o $@ $<
#	texi2html --l2h $<
# Fix texinfo HTML output
# 	perl -w -n -e 'if (/<div class="contents">/) {$$toc=1}' \
# 		   -e 'if (!$$toc) { s/class="toc"//}' \
# 		   -e '@match=/\[ ([^ ]+) \]/; if (@match > 0 && -r $$match[0] . ".png") { s/\[ ([^ ]+) \]/<img src="$$1.png"><\/img>/ }' \
# 		   -e 'print;' < $@ > $@.tmp
# 	mv $@.tmp $@

clean:
	rm -f $(SOURCE).{aux,cp,cps,fn,ky,log,pg,toc,tp,vr,vrs} $(PDF_FIGS) .version

WWW ?= www

web: all $(WWW) $(addprefix $(WWW)/,index.html $(SOURCE).html $(wildcard *.png) $(SOURCE).pdf)

$(WWW):
	mkdir $@

$(WWW)/index.html: index.html
	sed -e "s/<!-- @LAST_MODIFIED@ -->/`LC_TIME=C TZ= date`/" < $< > $@

$(WWW)/%: %
	cp -p $^ $@